Our titanium style aluminum radiator cap performs by increasing the pressure inside the radiator, thus raising the coolant boiling point and improving cooling efficiency. The open valve pressure is 1.3 kg/cm² compared to the standard 1.1 kg/cm².Radiator cap also engrave 0.9/1.1/1.3, these number show the radiator cap bar.You can use the 0.9 or 1.1 radiator cap in daily life, but if you want to enjoy the speed, you must buy the 1.3 bar radiator cap for your car, Easy to Install, OEM Fitment and Quality.

Whether you are a daily driver or a track racer in your FRS/BRZ, you can trust Zeta products to hold up in any conditions you might encounter. Zeta Performance Limited products are made from premium grade materials for performance you can count on.